#include <bits/stdc++.h>
using namespace std;

int n, a, cnt[100471];
int main() {
	freopen("duel.in", "r", stdin);
	freopen("duel.out", "w", stdout);
	scanf("%d", &n);
	for (int i = 0; i < n; i++) {
		scanf("%d", &a);
		cnt[a]++;
	}
	printf("%d\n", *max_element(cnt + 1, cnt + 100001));
}
